[The effect of x-ray contrast agents on the concentration and size of immune complexes in the blood].

Bilignost, iodamide and triombrast were shown to increase the concentration and to decrease the size of the rat blood serum immune complexes in vivo and in vitro. A decrease of the size of immune complexes was also observed during angiography with the use of triombrast in humans. According to the relation to the action of roentgen contrast media on the concentration and size of immune complexes humans and rats can be divided in "sensitive" and "tolerant" ones.